AZ ROC TRADE EXAM B 3 LICENSE ACTUAL
QUESTIONS AND SOLUTIONS COMPLETE
STUDY GUIDE
◉ Which of the following is the most important when deciding the
depth of a footing?
Answer: Depth of the frost line.
◉ Refer tot the illustration of a 2 story house w/ lap siding plans,
(available at the testing center) How many acres is the site for the
house plan?
Answer: 1/3 acre.
◉ Which of the following can be used as backfill outside a
foundation without being compacted?
Answer: Controlled low strength material.
◉ For soils classified as sandy gravel, foundation pressure shall not
exceed how many PSI?
Answer: 3000 Pounds per Square Foot.
◉ Which of the following shall not be assumed to have a load
bearing capacity for foundations?
,Answer: Organic Silt
◉ The soil report states that the soil is sandy-gravel. What is the
soil's load-bearing value?
Answer: 3,000 PSF
◉ According to code, what is the minimum required width of a
footing in soil rated at 2000 PSF for a single story building with 8
inch thick masonry walls?
Answer: 12 inches
◉ What is the minimum footing width of a one story light-frame
construction building?
Answer: 12 inches
◉ Which of the following would cause crazing (superficial cracking)
on the surface of concrete?
Answer: Early drying due to late curing or excessive water on
surface.
◉ Refer to the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), How many cubic yards of
concrete is needed for the floor and garage slabs less the fireplace
area?
,Answer: 23 cubic yards.
◉ According to code, the minimum thickness of a concrete slab that
is supported directly on the ground shall be ___________ inches.
Answer: 3.5
◉ According to the code, plain concrete for basement walls and
foundations shall be what minimum compressive strength (psi)?
Answer: 2500 psi
◉ the frost line is 24 inches below the surface. What is the required
depth of a footing?
Answer: Below the frost line.
◉ A lot shall be graded to drain surface water away from foundation
walls for a minimum of ___________ feet.
Answer: 10
◉ What is the minimum overlap of a vapor barrier in an unvented
crawl space.
Answer: 6 inches
, ◉ The minimum dept of footings below the undisturbed ground
surface shall be_______.
Answer: 12 inches
◉ According to code, footings shall be stepped when?
Answer: If the ground surface slopes more than on unit vertical to
ten units horizontal or where necessary to change the top footing
surface elevation.
◉ What is the minimum concrete psi that is required for basement
walls or slabs not exposed to weather?
Answer: 2500 psi
◉ Refer to the illustration of a 2 story house w/ lap siddng plans,
(complete set of plans at the test center), How many cubic yards of
concrete would be required for the footer only?
Answer: 10 to 12 cubic yards.
◉ In conventional light-frame construction on soil with a load
bearing value of 2,000 psi for a one story building with 8 inch hollow
concrete masonry walls, what is the minimum thickness of the
spread footing?
Answer: 6 inches
QUESTIONS AND SOLUTIONS COMPLETE
STUDY GUIDE
◉ Which of the following is the most important when deciding the
depth of a footing?
Answer: Depth of the frost line.
◉ Refer tot the illustration of a 2 story house w/ lap siding plans,
(available at the testing center) How many acres is the site for the
house plan?
Answer: 1/3 acre.
◉ Which of the following can be used as backfill outside a
foundation without being compacted?
Answer: Controlled low strength material.
◉ For soils classified as sandy gravel, foundation pressure shall not
exceed how many PSI?
Answer: 3000 Pounds per Square Foot.
◉ Which of the following shall not be assumed to have a load
bearing capacity for foundations?
,Answer: Organic Silt
◉ The soil report states that the soil is sandy-gravel. What is the
soil's load-bearing value?
Answer: 3,000 PSF
◉ According to code, what is the minimum required width of a
footing in soil rated at 2000 PSF for a single story building with 8
inch thick masonry walls?
Answer: 12 inches
◉ What is the minimum footing width of a one story light-frame
construction building?
Answer: 12 inches
◉ Which of the following would cause crazing (superficial cracking)
on the surface of concrete?
Answer: Early drying due to late curing or excessive water on
surface.
◉ Refer to the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), How many cubic yards of
concrete is needed for the floor and garage slabs less the fireplace
area?
,Answer: 23 cubic yards.
◉ According to code, the minimum thickness of a concrete slab that
is supported directly on the ground shall be ___________ inches.
Answer: 3.5
◉ According to the code, plain concrete for basement walls and
foundations shall be what minimum compressive strength (psi)?
Answer: 2500 psi
◉ the frost line is 24 inches below the surface. What is the required
depth of a footing?
Answer: Below the frost line.
◉ A lot shall be graded to drain surface water away from foundation
walls for a minimum of ___________ feet.
Answer: 10
◉ What is the minimum overlap of a vapor barrier in an unvented
crawl space.
Answer: 6 inches
, ◉ The minimum dept of footings below the undisturbed ground
surface shall be_______.
Answer: 12 inches
◉ According to code, footings shall be stepped when?
Answer: If the ground surface slopes more than on unit vertical to
ten units horizontal or where necessary to change the top footing
surface elevation.
◉ What is the minimum concrete psi that is required for basement
walls or slabs not exposed to weather?
Answer: 2500 psi
◉ Refer to the illustration of a 2 story house w/ lap siddng plans,
(complete set of plans at the test center), How many cubic yards of
concrete would be required for the footer only?
Answer: 10 to 12 cubic yards.
◉ In conventional light-frame construction on soil with a load
bearing value of 2,000 psi for a one story building with 8 inch hollow
concrete masonry walls, what is the minimum thickness of the
spread footing?
Answer: 6 inches
